There is none that i can see.
Trackball marble review.
Reviewed in the united states on october 3 2019 the logitech marbke trackman trackballs are great.
The expert s trackball is the biggest of all the trackball mice we have covered in our reviews.
It s very cheap but also very good.
One of the reasons that i bought this instead of other products is that i have used your m570 wireless trackball mouse for over three years and the quality of that item is great.
Ambidextrous trackball design a trackball design with a long broad palm area and gentle curves keeps your hand comfortable and supported all day whether you use your right or left hand.
The operation of this computer cursor interface requires less strain on the wrists than a traditional mouse.
The logitech marble mouse is the trackball that started it all for me.
Compared to a regular mouse the trackball offers many benefits including more precision and comfort and an ergonomic design.
Due to the large size it is much easier to move the cursor in high definition or multiple display setups.
The main downside is the lack of a scroll wheel.
Read consumer reviews to see why people rate logitech marble trackball 4 3 out of 5.
Removing the ball is as simple as pulling it out.
And can be operated in less desk space than a mouse because the trackball housing is stationary.
Fast accurate control is right at your fingertip with smooth tracking marble optical technology.
It might take some time to get used to a trackball but once you use one you can t go back to using a mouse i promise.
On this trackman marble the rolling of the ball marble is not smooth and feels like there is grit or debris in it.
Big and dense the ball rotates smoothly.
And probably not only for me but for many people this the trackball that is the easiest way to enter the wonderful world of the trackball.